What does SAP stands for â SAP stands for Systems, Applications and Products in data processing. 1  SAP is the fourth largest software company in the world. 2  The SAP R/3 system is a business software package designed to integrate all areas of a business.
Most of this emitted radiation is at longer wavelengths than solar radiation. Unlike solar radiation, which is mostly at wavelengths visible to the human eye, the Earth's longwave radiation is mostly at infrared wavelengths, which are invisible to the human eye.
Let's now take a look at the electromagnetic radiation, of various wavelengths and energies, from the Sun as it penetrates into Earth's atmosphere. Recall that the Sun emits a broad range of frequencies, from high-energy X-rays and ultraviolet radiation, through visible light, on on down the spectrum to the lower energy infrared and radio waves.